$106+ Cheap flights from Ontario (ONT) to Mexico
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
May 7 — May 141
Round-trip
1 adult, Economy
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Find cheap flights from Ontario to Mexico with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Ontario to MexicoExplore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.
Explore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.
This Frontier deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Frontier
Deal found 4/3![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:55 am
ONT
- CUN
1 stop12h 33m
Multiple Airlines
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$277
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$279
This Trip.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:36 pm
ONT
- CUN
1 stop10h 19m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$283
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$284
This Trip.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:55 am
ONT
- CUN
1 stop8h 59m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$285
This Trip.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Thu 4/163:54 pm
CUN
- ONT
1 stop17h 37m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$292
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:55 am
ONT
- CUN
1 stop10h 46m
Multiple Airlines
Tue 5/261:14 pm
CUN
- ONT
1 stop20h 21m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$293
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:40 pm
ONT
- SJD
Nonstop2h 26m
Volaris
Thu 4/94:02 pm
SJD
- ONT
Nonstop2h 25m
Volaris
Deal found 4/3![Volaris logo]()
$294
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:40 pm
ONT
- BJX
Nonstop3h 07m
Volaris
Tue 4/288:43 am
BJX
- ONT
Nonstop3h 17m
Volaris
Deal found 4/2![Volaris logo]()
$297
This Gotogate deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/512:40 pm
ONT
- SJD
Nonstop2h 26m
Volaris
Mon 4/64:02 pm
SJD
- ONT
Nonstop2h 25m
Volaris
Deal found 4/2![Volaris logo]()
$299
This Frontier deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Wed 4/2210:13 am
CUN
- ONT
2 stops24h 11m
Frontier
Deal found 4/2![Frontier logo]()
$300
Best flights from Ontario to MexicoDiscover carefully curated flight deals from Ontario to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 7, 2026.
Discover carefully curated flight deals from Ontario to Mexico that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 7, 2026.
This Jetabroad deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/309:36 pm
ONT
- MEX
1 stop11h 09m
Volaris
Sun 7/54:35 pm
MEX
- ONT
1 stop7h 30m
Volaris
Deal found 4/3![Volaris logo]()
$358
This United Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/235:10 am
ONT
- BJX
2 stops13h 21m
United Airlines
Tue 4/282:50 pm
BJX
- ONT
1 stop8h 00m
United Airlines
Deal found 4/6![United Airlines logo]()
$377
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/36:00 am
ONT
- GDL
1 stop6h 25m
Delta
Wed 6/173:50 pm
GDL
- ONT
1 stop8h 55m
Delta
Deal found 4/2![Delta logo]()
$432
This Southwest deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:15 am
ONT
- CUN
2 stops7h 50m
Southwest
Thu 5/143:15 pm
CUN
- ONT
2 stops9h 50m
Southwest
Deal found 4/6![Southwest logo]()
$544
This Trip.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/59:36 pm
ONT
- OAX
1 stop9h 59m
Volaris
Tue 5/122:28 pm
OAX
- ONT
1 stop6h 18m
Volaris
Deal found 4/3![Volaris logo]()
$364
This Delta deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:20 am
ONT
- GDL
1 stop12h 34m
Delta
Tue 7/288:20 am
GDL
- ONT
1 stop15h 25m
Delta
Deal found 4/5![Delta logo]()
$432
This eDestinos deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/3012:40 pm
ONT
- BJX
Nonstop3h 07m
Volaris
Sat 5/98:43 am
BJX
- ONT
Nonstop3h 17m
Volaris
Deal found 4/2![Volaris logo]()
$403
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:00 am
ONT
- GDL
2 stops28h 25m
United Airlines
Mon 6/82:30 pm
GDL
- ONT
2 stops22h 42m
United Airlines
Deal found 4/3![United Airlines logo]()
$457
This Mytrip deal was found by Cheapflights users on 4/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/19:36 pm
ONT
- LAP
2 stops19h 03m
Volaris
Fri 5/83:31 pm
LAP
- ONT
1 stop7h 34m
Volaris
Deal found 4/7![Volaris logo]()
$409
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/286:00 am
ONT
- GDL
1 stop6h 37m
Delta
Sat 7/43:26 pm
GDL
- ONT
1 stop7h 57m
Delta
Deal found 4/3![Delta logo]()
$452
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:30 pm
ONT
- SJD
2 stops16h 00m
United Airlines
Tue 6/21:02 pm
SJD
- ONT
1 stop9h 35m
United Airlines
Deal found 4/5![United Airlines logo]()
$465
This Mytrip deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/112:55 am
ONT
- LAP
2 stops15h 40m
Volaris
Sat 6/63:31 pm
LAP
- ONT
1 stop7h 34m
Volaris
Deal found 4/5![Volaris logo]()
$415
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/296:00 am
ONT
- SJD
1 stop6h 04m
Delta
Tue 6/21:09 pm
SJD
- ONT
1 stop10h 25m
Delta
Deal found 4/6![Delta logo]()
$465
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:00 am
ONT
- GDL
2 stops15h 34m
United Airlines
Sat 5/302:30 pm
GDL
- ONT
1 stop8h 25m
United Airlines
Deal found 4/3![United Airlines logo]()
$467
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/105:15 am
ONT
- CUN
2 stops7h 50m
Southwest
Sat 5/1610:35 am
CUN
- ONT
2 stops11h 40m
Southwest
Deal found 4/2![Southwest logo]()
$574
This Mytrip deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:36 pm
ONT
- BJX
3 stops22h 39m
Volaris
Tue 5/268:43 am
BJX
- ONT
Nonstop3h 17m
Volaris
Deal found 4/4![Volaris logo]()
$415
This Delta deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/106:00 am
ONT
- SJD
2 stops11h 48m
Delta
Wed 5/131:09 pm
SJD
- ONT
1 stop10h 25m
Delta
Deal found 4/2![Delta logo]()
$470
This United Airlines deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/215:10 am
ONT
- BJX
2 stops13h 21m
United Airlines
Tue 4/282:50 pm
BJX
- ONT
2 stops22h 30m
United Airlines
Deal found 4/2![United Airlines logo]()
$477
This Trip.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1912:55 am
ONT
- OAX
1 stop6h 40m
Volaris
Sat 4/252:28 pm
OAX
- ONT
1 stop9h 37m
Volaris
Deal found 4/3![Volaris logo]()
$417
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:00 am
ONT
- GDL
2 stops29h 25m
United Airlines
Sat 6/135:00 am
GDL
- ONT
1 stop18h 46m
United Airlines
Deal found 4/3![United Airlines logo]()
$483
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:00 am
ONT
- GDL
1 stop6h 23m
Delta
Fri 5/812:27 pm
GDL
- ONT
2 stops12h 07m
Delta
Deal found 4/6![Delta logo]()
$492
This Mytrip deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:36 pm
ONT
- LAP
3 stops20h 56m
Volaris
Wed 5/133:31 pm
LAP
- ONT
1 stop7h 34m
Volaris
Deal found 4/6![Volaris logo]()
$421
This United Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/295:45 am
ONT
- GDL
1 stop6h 49m
United Airlines
Mon 6/16:40 am
GDL
- ONT
2 stops31h 07m
United Airlines
Deal found 4/5![United Airlines logo]()
$483
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/1712:55 am
ONT
- BJX
2 stops16h 19m
Volaris
Sat 7/188:43 am
BJX
- ONT
Nonstop3h 17m
Volaris
Deal found 4/2![Volaris logo]()
$421
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/196:59 pm
ONT
- BJX
2 stops14h 52m
United Airlines
Tue 5/262:50 pm
BJX
- ONT
1 stop8h 05m
United Airlines
Deal found 4/3![United Airlines logo]()
$489
This Trip.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/312:55 am
ONT
- LAP
1 stop10h 30m
Volaris
Sun 6/73:31 pm
LAP
- ONT
1 stop7h 34m
Volaris
Deal found 4/6![Volaris logo]()
$422
This Delta deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/206:00 am
ONT
- SJD
1 stop6h 20m
Delta
Thu 7/231:25 pm
SJD
- ONT
1 stop10h 19m
Delta
Deal found 4/3![Delta logo]()
$572
This United Airlines deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/127:13 pm
ONT
- CUN
2 stops12h 53m
United Airlines
Sat 9/191:43 pm
CUN
- ONT
2 stops11h 15m
United Airlines
Deal found 4/3![United Airlines logo]()
$490
This Volaris deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Volaris is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/2412:55 am
ONT
- LAP
1 stop10h 30m
Volaris
Tue 6/303:31 pm
LAP
- ONT
1 stop7h 34m
Volaris
Deal found 4/4![Volaris logo]()
$429
This Delta deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:00 am
ONT
- SJD
1 stop7h 45m
Delta
Wed 4/292:55 pm
SJD
- ONT
1 stop8h 49m
Delta
Deal found 4/6![Delta logo]()
$591
Last-minute flights from Ontario to MexicoDiscover last-minute flight deals from Ontario to Mexico. Data last updated April 7, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to Mexico. Data last updated April 7, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:40 pm
ONT
- SJD
Nonstop2h 26m
Volaris
Thu 4/94:02 pm
SJD
- ONT
Nonstop2h 25m
Volaris
Deal found 4/3![Volaris logo]()
$294
This Trip.com deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/99:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Thu 4/163:54 pm
CUN
- ONT
1 stop17h 37m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$292
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/119:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Sat 4/183:54 pm
CUN
- ONT
1 stop10h 01m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$308
This Mytrip deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$284
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:36 pm
ONT
- CUN
1 stop12h 18m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/2![Multiple Airlines logo]()
$279
This Frontier deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/1612:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Wed 4/2210:13 am
CUN
- ONT
2 stops24h 11m
Frontier
Deal found 4/2![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1712:59 am
ONT
- CUN
1 stop11h 40m
Frontier
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Frontier
Deal found 4/3![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:55 am
ONT
- CUN
1 stop12h 33m
Multiple Airlines
Sat 4/2512:01 pm
CUN
- ONT
1 stop12h 36m
Multiple Airlines
Deal found 4/3![Multiple Airlines logo]()
$277
This Trip.com deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:55 am
ONT
- CUN
1 stop8h 59m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$285
This Trip.com deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:36 pm
ONT
- CUN
1 stop10h 19m
Multiple Airlines
Thu 4/231:01 pm
CUN
- ONT
1 stop12h 54m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$283
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:40 pm
ONT
- BJX
Nonstop3h 07m
Volaris
Tue 4/288:43 am
BJX
- ONT
Nonstop3h 17m
Volaris
Deal found 4/2![Volaris logo]()
$297
This CheapOair deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1812:55 am
ONT
- CUN
1 stop10h 46m
Multiple Airlines
Tue 5/261:14 pm
CUN
- ONT
1 stop20h 21m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$293
One-way flights from Ontario to MexicoSearch for one-way flight options from Ontario to Mexico. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
Search for one-way flight options from Ontario to Mexico. Find affordable one-way fares based on user searches. Data last updated April 7, 2026.
This iWofly deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/39:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/3![Volaris logo]()
$106
This iWofly deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/289:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/5![Volaris logo]()
$108
This Mytrip deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/1212:40 pm
ONT
- SJD
Nonstop2h 26m
Volaris
Deal found 4/2![Volaris logo]()
$110
This Mytrip deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:40 pm
ONT
- BJX
Nonstop3h 07m
Volaris
Deal found 4/5![Volaris logo]()
$112
This iWofly deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/159:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/2![Volaris logo]()
$113
This iWofly deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2112:55 am
ONT
- MEX
1 stop11h 30m
Volaris
Deal found 4/3![Volaris logo]()
$115
This Trip.com deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:36 pm
ONT
- MID
1 stop10h 02m
Volaris
Deal found 4/4![Volaris logo]()
$116
This CheapOair deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:40 pm
ONT
- BJX
Nonstop3h 07m
Volaris
Deal found 4/2![Volaris logo]()
$116
This iWofly deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/299:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/3![Volaris logo]()
$117
This Trip.com deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/219:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Deal found 4/3![Volaris logo]()
$118
This Jetabroad deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/189:36 pm
ONT
- CUN
1 stop12h 18m
Volaris
Deal found 4/2![Volaris logo]()
$119
This iWofly deal was found by Cheapflights users on 4/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:36 pm
ONT
- MEX
1 stop8h 49m
Volaris
Deal found 4/3![Volaris logo]()
$120
Find flight deals from Ontario to Mexico
Keep the following information in mind while searching for Ontario to Mexico flight deals. Data was last updated April 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $270 (Frontier) |
One-way from | $106 (iWofly) |
Popular in | December |
Cheapest in | September |
Average price | $400 |
Good round-trip deal | $176 or less |
Good one-way deal | $44 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario to Mexico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
Use the filters below to find and compare flights from Ontario to Mexico that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioMexico City
ONT - MEX
ONTMEX
Ontario
Tue 6/30
9:36 pm-9:45 am
1 stop11h 09m
Mexico City Benito Juarez
Sun 7/5
4:35 pm-11:05 pm
1 stop7h 30m
$358
OntarioOaxaca
ONT - OAX
ONTOAX
Ontario
Tue 5/5
9:36 pm-8:35 am
1 stop9h 59m
Oaxaca Xoxocotlan
Tue 5/12
2:28 pm-7:46 pm
1 stop6h 18m
$364
OntarioLeón
ONT - BJX
ONTBJX
Ontario
Thu 4/23
5:10 am-7:31 pm
2 stops13h 21m
León Del Bajio
Tue 4/28
2:50 pm-9:50 pm
1 stop8h 00m
$377
Quickest round-trip
OntarioLeón
ONT - BJX
ONTBJX
Ontario
Thu 4/30
12:40 pm-4:47 pm
Nonstop3h 07m
León Del Bajio
Sat 5/9
8:43 am-11:00 am
Nonstop3h 17m
$403
OntarioLa Paz
ONT - LAP
ONTLAP
Ontario
Fri 5/1
9:36 pm-4:39 pm
2 stops19h 03m
La Paz Leon
Fri 5/8
3:31 pm-11:05 pm
1 stop7h 34m
$409
OntarioLa Paz
ONT - LAP
ONTLAP
Ontario
Mon 6/1
12:55 am-4:35 pm
2 stops15h 40m
La Paz Leon
Sat 6/6
3:31 pm-11:05 pm
1 stop7h 34m
$415
OntarioLeón
ONT - BJX
ONTBJX
Ontario
Fri 5/8
9:36 pm-9:15 pm
3 stops22h 39m
León Del Bajio
Tue 5/26
8:43 am-11:00 am
Nonstop3h 17m
$415
OntarioOaxaca
ONT - OAX
ONTOAX
Ontario
Sun 4/19
12:55 am-8:35 am
1 stop6h 40m
Oaxaca Xoxocotlan
Sat 4/25
2:28 pm-11:05 pm
1 stop9h 37m
$417
OntarioLa Paz
ONT - LAP
ONTLAP
Ontario
Wed 5/6
9:36 pm-6:32 pm
3 stops20h 56m
La Paz Leon
Wed 5/13
3:31 pm-11:05 pm
1 stop7h 34m
$421
OntarioLeón
ONT - BJX
ONTBJX
Ontario
Wed 6/17
12:55 am-6:14 pm
2 stops16h 19m
León Del Bajio
Sat 7/18
8:43 am-11:00 am
Nonstop3h 17m
$421
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Ontario to Mexico
Have a flexible travel schedule? Discover the best time to fly to Mexico from Ontario with our price prediction graph.
ONT-CUN
ONT-SJD
ONT-BJX
ONT-MEX
ONT-MID
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Ontario to Mexico
ONT-MX0
ONT-CUN
ONT-SJD
ONT-BJX
ONT-MEX
What is the cheapest month to book a flight from Ontario to Mexico?
Currently, April is the cheapest month in which you can book a flight from Ontario to Mexico (average of $44). Flying from Ontario to Mexico in December is currently the most expensive (average of $161). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from ONT to MX?
Find hourly flight availability from Ontario to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 7, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mexico as you normally would.
How often are flights from Ontario to Mexico delayed?
About 13% of weekly flights between Ontario and Mexico have experienced delays in the past year, with the average delay time being 121 minutes.
What is the most punctual flight time for Ontario to Mexico flights?
Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Ontario to Mexico flights?
Over the last year, Volaris have had the lowest number of delays on this route, with just 13% of flights being delayed.
Reviews of airlines servicing Mexico
Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated April 7, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Ontario to Mexico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Overall
8.0
Comfort
8.0
Entertainment
7.5
Boarding
8.1
Crew
8.6
Food
7.0
Reviews
1 / 20
10.0
ExcellentWilliam Drew,Nov 2025
SJC - HNL
Related info for your journey
Find useful and relevant information for your journey from Ontario to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to Mexico
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Complete your trip
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Search flights from Ontario to Mexico by cabin class
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Ontario and Mexico flights
Browse other Ontario and Mexico flight options. Last updated on April 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Ontario to Mexico flights
Consider these flights traveling from Ontario to Mexico.
Fly to Mexico regions
Consider these flights traveling to Mexico regions.
Top 8 airlines flying from Ontario to Mexico
Discover the top 8 airlines that operate flights from Ontario to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$107 | Average$346 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$167 | Average$405 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$172 | Average$367 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$179 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$191 | Average$447 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$208 | Average$435 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$310 | Average$619 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$312 | Average$570 | FlexibilityNo cancel fee | On-time63% |